Average force exerted on a non-reflecting surface at normal incidence is 2.4 \times 10^{-4} {\N}. If 360 {\W} \/ {\cm}^2 is the light energy flux during span of 1 hour 30 minutes. Then the area of the surface is: [8 Apr 2024 Shift 1]

Electromagnetic Waves Part 2

Section: Physics

Question : 23 of 54

Marks: +1, -0

Average force exerted on a non-reflecting surface at normal incidence is 2.4×10−4N. If 360W∕cm2 is the light energy flux during span of 1 hour 30 minutes. Then the area of the surface is:

[8 Apr 2024 Shift 1]

0.2m2
0.02m2
20m2
0.1m2

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